Finding the Third Proportional to 12,356,172 and 25,734,988

Step by Step Solution

1. Step 1: Write the proportion equation
   12,356,172 : 25,734,988 = 25,734,988 : x
2. Step 2: Convert to fraction form
   12,356,172/25,734,988 = 25,734,988/x
3. Step 3: Cross multiply
   12,356,172x = 25,734,988 × 25,734,988
4. Step 4: Simplify right side
   12,356,172x = 662,289,607,360,144
5. Step 5: Solve for x
   x = 662,289,607,360,144/12,356,172
6. Step 6: Final answer
   x = 53,599,901.92